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SbBox3i32.h
1 #ifndef COIN_SBBOX3I32_H
2 #define COIN_SBBOX3I32_H
3 
4 /**************************************************************************\
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26 
27 #include <Inventor/SbVec3i32.h>
28 #include <Inventor/SbVec3f.h>
29 
30 class SbBox3s;
31 class SbBox3f;
32 class SbBox3d;
33 class SbMatrix;
34 
35 class COIN_DLL_API SbBox3i32 {
36 public:
37  SbBox3i32(void) { makeEmpty(); }
38  SbBox3i32(int32_t xmin, int32_t ymin, int32_t zmin, int32_t xmax, int32_t ymax, int32_t zmax)
39  : minpt(xmin, ymin, zmin), maxpt(xmax, ymax, zmax) { }
40  SbBox3i32(const SbVec3i32 & minpoint, const SbVec3i32 & maxpoint)
41  : minpt(minpoint), maxpt(maxpoint) { }
42  explicit SbBox3i32(const SbBox3s & box) { setBounds(box); }
43  explicit SbBox3i32(const SbBox3f & box) { setBounds(box); }
44  explicit SbBox3i32(const SbBox3d & box) { setBounds(box); }
45 
46  SbBox3i32 & setBounds(int32_t xmin, int32_t ymin, int32_t zmin, int32_t xmax, int32_t ymax, int32_t zmax)
47  { minpt.setValue(xmin, ymin, zmin); maxpt.setValue(xmax, ymax, zmax); return *this; }
48  SbBox3i32 & setBounds(const SbVec3i32 & minpoint, const SbVec3i32 & maxpoint)
49  { minpt = minpoint; maxpt = maxpoint; return *this; }
50  SbBox3i32 & setBounds(const SbBox3s & box);
51  SbBox3i32 & setBounds(const SbBox3f & box);
52  SbBox3i32 & setBounds(const SbBox3d & box);
53 
54  void getBounds(int32_t & xmin, int32_t & ymin, int32_t & zmin, int32_t & xmax, int32_t & ymax, int32_t & zmax) const
55  { minpt.getValue(xmin, ymin, zmin); maxpt.getValue(xmax, ymax, zmax); }
56  void getBounds(SbVec3i32 & minpoint, SbVec3i32 & maxpoint) const
57  { minpoint = minpt; maxpoint = maxpt; }
58 
59  const SbVec3i32 & getMin(void) const { return minpt; }
60  SbVec3i32 & getMin(void) { return minpt; }
61  const SbVec3i32 & getMax(void) const { return maxpt; }
62  SbVec3i32 & getMax(void) { return maxpt; }
63 
64  void extendBy(const SbVec3i32 & pt);
65  void extendBy(const SbBox3i32 & bb);
66  void extendBy(const SbVec3f & pt);
67  void transform(const SbMatrix & m);
68  void makeEmpty(void);
69  SbBool isEmpty(void) const { return (maxpt[0] < minpt[0]); }
70  SbBool hasVolume(void) const
71  { return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1]) && (maxpt[2] > minpt[2])); }
72  float getVolume(void) const
73  { int32_t dx = 0, dy = 0, dz = 0; getSize(dx, dy, dz); return (float(dx) * float(dy) * float(dz)); }
74 
75  SbBool intersect(const SbVec3i32 & pt) const;
76  SbBool intersect(const SbBox3i32 & bb) const;
77  SbBool intersect(const SbVec3f & pt) const;
78 
79  SbBool outside(const SbMatrix & MVP, int & cullBits) const;
80  SbVec3f getClosestPoint(const SbVec3f & pt) const;
81 
82  SbVec3f getCenter(void) const { return SbVec3f(minpt + maxpt) * 0.5f; }
83  void getOrigin(int32_t & originX, int32_t & originY, int32_t & originZ) const
84  { minpt.getValue(originX, originY, originZ); }
85  void getSize(int32_t & sizeX, int32_t & sizeY, int32_t sizeZ) const
86  { if (isEmpty()) { sizeX = sizeY = sizeZ = 0; }
87  else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; sizeZ = maxpt[2] - minpt[2]; } }
88 
89  void getSpan(const SbVec3f & direction, float & dmin, float & dmax) const;
90 
91 protected:
92  SbVec3i32 minpt, maxpt;
93 
94 }; // SbBox3i32
95 
96 COIN_DLL_API inline int operator == (const SbBox3i32 & b1, const SbBox3i32 & b2)
97 {
98  return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax()));
99 }
100 
101 COIN_DLL_API inline int operator != (const SbBox3i32 & b1, const SbBox3i32 & b2)
102 {
103  return !(b1 == b2);
104 }
105 
106 #endif // !COIN_SBBOX3I32_H
The SbBox3s class is a 3 dimensional box with short integer coordinates.This box class is used by oth...
Definition: SbBox3s.h:34
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.This box abstraction class ...
Definition: SbBox3f.h:37
int operator!=(const SbBox2d &b1, const SbBox2d &b2)
Definition: SbBox2d.h:92
int operator==(const SbBox2d &b1, const SbBox2d &b2)
Definition: SbBox2d.h:88
const float * getValue(void) const
Definition: SbVec3f.h:62
The SbVec3f class is a 3 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec3f.h:40
The SbMatrix class is a 4x4 dimensional representation of a matrix.SbMatrix is used by many other cla...
Definition: SbMatrix.h:37
Definition: SbVec3i32.h:39
The SbBox3d class is an abstraction for an axis aligned 3 dimensional box.This box abstraction class ...
Definition: SbBox3d.h:37

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